<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  这是一个login页面 
  <p>这是修改的login代码</p>
  <form action="">
    <div>
      用户名: <input type="text" placeholder="请输入用户名" >
    </div>
    <div>
      密码: <input type="password" placeholder="请输入密码" >
    </div>
    <div>
      <button>提交</button>
    </div>
  </form>
</body>
</html>